Mitsubishi Electric PURY-P120TJMU-A, Service Handbook, Page: 355 / 411

[
IX
Troubleshooting ]
- 346 - HWE0913A GB
* Refer to the next page for Check valve (CV4a, CV6a, CV8a, CV9a) replacement procedures.
B
A
Heat exchanger
Coil cover, Solenoid valve coil
(SV4a,SV4b,SV4d)
F
Screw (M5)
Supporting plate
for solenoid valve block
Solenoid
valve block
Removing or installing
solenoid valve block
Brazing or debrazing pipes
G
C D E
Removed Solenoid valve
block ASSY
G
F
B
E
D
C
Removing Solenoid valve
block ASSY
A
Screw (M5)
Supporting plate
for solenoid valve block
Solenoid valve block
Debrazing pipe
Removing or fixing the Supporting
plate for solenoid valve block
H
(ø15.88[5/8”])
(ø15.88[5/8”])
(ø15.88[5/8”]) (ø28.58[1-1/8”])
(ø9.52[3/8”])
(ø9.52[3/8”])
(ø19.05[3/4”])
(ø12.7[1/2”])
Remove the pipe
from the brazed H.
3) Remove the cable that is fixed to
the Frame ASSY MU (upper) and
MB (lower), and remove the
Frame ASSY MU and MB.
*This figure does not
show heat exchanger.
2) Remove the control box.
1) Remove the upper
and lower service
panels (Panel FU
and FB).
6
1 10
2 8
9 3
9 3
9 3
9 3
7 5
4